btreemap.rs 482 B

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  1. extern crate ralloc;
  2. use std::collections::BTreeMap;
  3. fn main() {
  4. let mut map = BTreeMap::new();
  5. map.insert("Nicolas", "Cage");
  6. map.insert("is", "God");
  7. map.insert("according", "to");
  8. map.insert("ca1ek", ".");
  9. assert_eq!(map.get("Nicolas"), Some(&"Cage"));
  10. assert_eq!(map.get("is"), Some(&"God"));
  11. assert_eq!(map.get("according"), Some(&"to"));
  12. assert_eq!(map.get("ca1ek"), Some(&"."));
  13. assert_eq!(map.get("This doesn't exist."), None);
  14. }